package com.tanhua.dubbo.server.api;

import com.alibaba.dubbo.config.annotation.Service;

import com.tanhua.dubbo.server.pojo.RecommendUser;
import com.tanhua.dubbo.server.vo.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.Calendar;
import java.util.List;

/**
 * Created with IntelliJ IDEA.
 *
 * @Author: ly
 * @Date: 2021/07/29/20:07
 * @Description:
 */
@Service(version = "1.0.0")    //申明这是一个dubbo服务
public class RecommendUserApiImpl  implements  RecommendUserApi{

    @Autowired
    private MongoTemplate mongoTemplate;

    @Override
    public RecommendUser queryWithMaxScore(Long userId) {
        //按照分数倒叙排序，查询出分数最高的妹子
        Query query=Query.query(Criteria.where("toUserId").is(userId))
                     .with(Sort.by(Sort.Order.desc("score"))).limit(1);
      return  mongoTemplate.findOne(query,RecommendUser.class);

    }

    @Override
    public PageInfo<RecommendUser> queryPageInfo(Long userId, Integer pageNum, Integer pageSize) {

        //分页并且排序参数
        PageRequest pageRequest= PageRequest.of(pageNum-1,pageSize,Sort.by(Sort.Order.desc("score")));

        //查询参数
        Query query=Query.query(Criteria.where("toUserId").is(userId))
                .with(pageRequest);
        List<RecommendUser> recommendUsers = mongoTemplate.find(query, RecommendUser.class);


        return new PageInfo<>(0,pageNum,pageSize,recommendUsers);
    }
}
